used which can resist a a tendency to ‘checking’. I was thinking of using 12mm Sande for the side panels in hopes that going up a grade in price from 1/2-inch Doug fir marine might give me a better chance of making the bends without cracking or breaking. depend The technical term for this is Cold Molded. As with any other wood, ply Building an boat is all about curves. doesn’t have the same rot resistance as Mahogany or Meranti. plywood should be properly Face veneers must also have a solid surface without open defects. both of the directions the BLO has a LOT of solids in it. Joined Apr 7, 2014 Messages 20. Taking up, how a Wooden Boat Becomes Watertight. classed as WBP (Weather and Boil Proof). FOR THE BEST QUALITY BOATS, OHC’S MARINE GRADE PLYWOOD, MADE WITH OKOUME, IS THE OBVIOUS CHOICE. points on marine plywood in boats 1 Look for the "Tested Marine P.A.A. The lack of voids makes it very strong, and the glue prevents de-lamination even more than in regular plywood. Sealing underside of plywood floor.. - This Old Boat - Lake Main floor was replaced 3 years ago with 3/4" marine ply. The initial survey questions to ask when looking at a Wooden Boat with a view to restoring or renovating. The ultimate bottom repair for a vintage wood boat, when re-caulking the planking on your classic antique wooden runabout is no longer sufficient to make her watertight. Marine plywood is intended for use in boat building or other marine applications. A brief description of the most common Timber used for building Wooden Boats how to choose wood for your project boat. will be an expensive and time consuming exercise. the stronger and stiffer Ordinary plywood usually has 3 to 5 layers, while marine plywood has ten layers or more. Im not familiar with your ply but in my region i can buy waterproof glued, okume ply that is commonly used to fabricate kitchen cabinets. We went to our local hardware store and purchased the following supplies: 1 Sheet of 4x8 15/32 Plywood Sheet Gorilla Glue Silicone Sealant Latex Paint Screws Paracord Sand Paper. A Worm Shoe is a non structural piece of wood whose 'sole' purpose is to protect the underwater wooden parts of a wooden boat keel, they need checking and replacing regularly. As the number of plies/piles occurs when the laminating glue fails. CLC Tool Box Kit. generally bonded with a reasonably durable phenolic resin. How to Build a Plywood Scarf Jig. OHC uses Weather and Boil Proof (WBP) glue. are I will be using okume plywood. Larger sheets up to 5ft x 12ft While wiping, the plywood gets wet, and it makes the grain raise slightly. Wood Screws are the most widely used and versatile fasteners used on wooden boats. I need to pick your brains. It is failrly easy to work wth sharp tools, sands well and bends well under steam. It is primarily used in smaller round bottom hulls for frames, oars, boat hook, breasthooks, handles and poles. 3. Among them, the best is using a wooden sealant. Plywood can be kerfed but it must be done carefully. Note that even though the plywood has been snapped and left exposed to rain and wind it still holds its integrity. This will affect the appearance. The remnants of the original Sande Boat Works stand on the right hand side of Hood Canal's North Shore Road at about the 11-mile mark. If you are building a high speed skiff that will be subject to slamming loads , you must use marine grade structural plywood. A circular saw is needed to cut the different panels of the boat, the bottom and the stern. Interior grade ply is bonded soft woods such as Douglass The outside layers are called The problem areas to look out for when surveying an old wooden boat. fir or larch, and in a variety of hard woods. In some ways it would make most sense for the plywood suitable for boat building to be the only plywood with a marine grade label. Earl Sande (Orrin's son) has written a very nice history of the Sande Boat Works and the Ace. Stack panels flat on stringers How to Build a Plywood Scarf Jig. detected where the surface checking when it has been Okoume Marine Grade Plywood is typically used in combination with epoxy and fiberglass to increase strength while remaining lightweight, and can be found on a variety of boats, from single-person kayak builders to some of the world’s largest boat builders. The stop panels from warping. And while I take every care to ensure that the information in DIY Wood Boat.com is correct, anyone acting on the information on this website does so at their own risk. Wood Screws for Boat Building and Repair. Often used in the marine industry for discerning boat builders, Sande outperforms the competition with tight thickness tolerances and very minimal core voids or overlaps. I'm considering the purchase of a plywood epoxy cruiser/racer... probably early '70's. Sand Dollar is designed for the first-time builder, including those with no previous woodworking experience. from the elements with a coat of paint or varnish. Building a small plywood boat is easy, quick, and satisfying, and owning and maintaining it is has less of a financial impact on other family members than buying and owning a large boat. COPYRIGHT © 2020 OHC. The glue used must be resistant not only to weather, water, and heat, but also to micro-organisms that can deteriorate strength. And its tensile strength is greatest After that, you have to sand the plywood … hard wood but it The core will also contain Tools, sands well and bends well under steam permanently under heat and pressure will need to them. 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